Pouncing machine with heated grease pad



Oct. 28, 1952- F. J. BERGER 2#515,690

POUNCING MACHINE WITH HEATED GREASE PAD Filed April 3, 1950 4 Sheets-Sheet l INVENTOR Frderic/c J e er BY ATTORNEYS a 2 r M 27 0/ \r 4 Q s 2 MIA/Nu r A m H .N TDD N .m f w m m 6% s u VJ qr Mk r m w v\ N. l I J c a 1M 0M mwm -o. w 4 Illll fl f w 9 I llllll'll" 4 EEflrw 0 l3. r Y Z F.

Oct. 28, 1952 F. J. BERGER POUNCING MACHINE WITH HEATED GREASE PAD Filed April 5, 1950' Oct. 28, 1952 BERGER 2,615,600

,PDUNCING MACHINE WITH HEATED GREASE PAD Filed April 3, 1950 4 Sheets-Sheet 3 W ////l '////////////j L i'l 'ederick J 'yer L' IZJ A'ITORNEYS Oct. 28, 1952 F. J. BERGER 2,615,600

POUNCING MACHINE WITH HEATED GREASE PAD Filed April 5, 1950 4 Sheets-Sheet 4 INVENTOR Frederick J: Bayer ATTCRN EYS Patented Oct. 28, 1952 POUNCiNG MACHINE -WITH HEATED GREASE PAD Frederick J. Berger, Danbury, Conn., assignor to Doran Brothers, Incorporated, Danbury, Conn."

Application April 3, 1950, Serial No. 153,564

I 7 Claims. (01. 223-20) This invention relates to a heatedgrease pad and more particularly to a heated grease pad for use on a machine in which the grease pad is reciprocated with respect to the hat body as it is moved across the surface thereof.

One of the objects of this invention is to proof two ways. The first is to apply the grease by hand, using a grease pad heated on a lure stove,

vide a heated grease pad which is simple, prac- Another object is to provide a heated grease pad I of the above character which applies grease evenly over the entire surface beinggreased under conditions which insure adequate penetration of the surface being greased. Another object is to provide a heated grease pad of the above character which obtains the above objects by mechanical means rather than by hand as is now done. Another object is to provide mechanism of the above character which will be inexpensive to construct, operate, and maintain. Another object is to provide a pad of the above character ,which does not require the services of skilled labor. Another object is to provide a construction of the above character in which the electrical connections to the pad are efficiently and practically maintained despite the rotating and reciprocat either as a complete operation, or as a touch-up after cold greasing on the machine. Hand greasing is a highly skilled operation, as either too much or too little grease will spoil the shade of the hat, an uneven application will cause streaks. The second is to use an unheated grease pad mounted upon a machine which moves the grease rag across the surface of a hat crown as the hat rotates. This method results in even application of the grease to the hat crown but the cold grease does not penetratethe felt sufficiently. Accordingly, it is another object ofthis invention to provide a practical and efficient heated grease pad for use on a machine which will apply grease evenly under conditions which will insure adequate penetration. II

The heated grease pad assembly, generally indicated at H) (Figure l), is used on a machine of the type shown in U. S. Patent No. 2,137,250, in which the pad reciprocates vertically while in contact with a hat body.

In general, the heated grease pad assembly !0 includesa frame, generally indicated at I2 (Figure/l), whichis mounted upon the upper end of a rod l4. During operation of the machine, the shaft I4 is reciprocated vertically, moving frame 12, and thus pad assembly ID, with a vertical reciprocating movement with respect to grease pad assembly column l6 (Figure 1). The pad, generally indicated at l8 (Figure 4), includes a pair of heating elements 20 and 22 (Figures 3 and 6), which heat pad I8 and thus the grease on a grease cloth 24 (Figure 4) fed across its face. The temperature of heating elements 20 and 22 is controlled by a variable voltage transformer (not parts of the machine being diagrammatically I shown; I

Figure 2 is a side elevation on an enlarged scale of the heated grease pad and mechanism associated therewith shown in Figure 1; I I I Figure 3 is a staggered vertical section taken substantially on the line 33 of Figure 2;

Figure 4 is a vertical section taken onthe line 44 of Figure 3;

Figure 5 is a horizontal section taken on the line 5 -5 of Figure 2;

Figure 6 is an exploded perspective view of certain elements in the body of the heating pad; and

Figure '7 is a vertical section taken through the grease pad assembly column.

similar reference characters refer to similar I pointed out that at the present time the greasing LI of crowns of hats is usually performed in either shown) Conductors 26 and 28 (Figures 2 and 3) connect the heating elements 20 and 22 to contact members 30 and 32 mounted on a support 34 connected to and extending downwardly from the lower end of frame [2. The contact members 30 and 32 are engaged by a pair of carbon brushes 36 and 38, which are mounted in brush holders 4!] and 42. Brush holders All and 42 are mounted. upon a portion of assembly I6 (Figure 7) which is not reciprocated vertically, and brushes 36 and 3B (Figure 2) are connected to conductors 44 and grease pad assembly is shown includes a base 48 t (Figure 1). having a column 50 mounted thereon. A-shaft 52 is horizontally mounted on column 5!] and is driven by a motor 55 through clutch 4S. pulley 5|, belt 54 and pulley 53. Achuck, generally indicated at 56, is mounted on the righthand end of shaft 52 and is used for mounting hat blocks, such as block 51, supporting hat 58 on the machine. Pad assembly column I6 is pivotally mounted by a pivot pin 80 on a support 62 connected to base 48, and during operation of the machine, hydraulic mechanism (not shown) is provided for moving pad assembly column I6 about pin 60 so that pad assembly I moves over the crown so that during the operation the pad contacts the entire surface of the crown.

For reciprocating pad assembly I0, column I6 has a motor 64 mounted thereon, which drives a crank 66 (Figure '7) Crank 86 acts through connecting rod 68 and wrist pin I0 to drive rod I2 with a reciprocating action vertically with respect to column I6 whenever the machine is in operation. The lower end of rod I4 (Figure 4) threads into the upper end of rod I2 (Figure 7) and thus is driven by it.

Referring to Figure 4, pad assembly frame I2 includes portions I2a and I2b on which the outer raceways of bearings I6 and I8 are mounted. The outer raceway of bearing 16 is clamped against a seat I4a formed in the upper end of pad frame I2 by nuts 88. Bearings I6 and I8 pivotally mount frame I2 upon rod I4 so that pad assembly I0 may swivel with respect to rod I4 to maintain the surface of pad I8 tangent at all times to the surface being greased.

To permit brush holders 40 and 42 (Figure 2) to swivel with the pad assembly I0 during a greasing operation, they are mounted on a sleeve 82, which is rotatably mounted on column I6 (Figure 7) by means of bearings 84 and 86. To maintain sleeve 82 aligned with respect to pad assembly I0 during pouncing, pad assembly frame I2 is provided with a guide portion I2c. During operation of the pad assembly, guide portion I2c remains in engagement with an impregnated bronze guide block 85 secured to sleeve 82. Thus, as the pad assembly turns, its guide portion I2c acts through block 85 to turn sleeve 82 with it, keeping support 34 (Figure 2) centrally positioned between brush holders 40 and 42.

As is best shown in Figures 4 and 6, pad I8 is mounted upon frame I2 by screws 88. The inner portion of the pad is mounted within a recess I2d (Figure 6) in the face of frame I2 and includes a sheet of asbestos 90, a pair of sheets of mica 92, the heating elements 20 and 22, a pair of mica sheets 94, and a resilient element comprising a sponge rubber center 96 (Figure 4) having a vulcanized rubber surface 98 and a canvas backing I 06. Screws 88 secure all of the elements of pad IB in assembled relationship to frame I2, the heating elements being positioned within recess I2d. Preferably, a pair of metal clamping strips I02 and I04 are positioned between the heads of screws 88 and the rubber surface 98 to insure even clamping of the pad elements to the frame I2. This pad heats grease cloth 24 as it passes over its surface during a pouncing operation.

The grease cloth is in the form of a narrow strip of greased cloth which is fed from a roll positioned in a holder I08 (Figure 7) secured to the machine. The grease cloth passes upwardly over an idler roller III), behind another idler roller II2 (Figure 4), and upwardly in a channel I I4a formed in a guide plate H4. The cloth then passes over the top end of assembly I0 in contact with a curved guide strip I I6, downwardly across the face of pad I8, to feeding gears H8 and I20. To maintain tension upon cloth 24 so that it will 4 remain in contact with the face of pad I8, 9. friction roller I22 is provided. Friction roller I22 is mounted on a frame I24, which is pivotally mounted by a pin I28 on frame I2. A leaf spring I28 connected to frame I24 is maintained under tension by means of a member I30 connecting the upper end of spring I28 to pad frame I2. Spring I28 resiliently presses roller I22 into engagement with the lower end of guide plate II4, and pre vents the cloth from moving unless it is fed by feeding gears H8 and I20. Thus, roller I22 insures that grease cloth 24 will be held in contact with the face of pad I8.

Feeding gears I I8 and I20 are rotatably mounted on the machine and are driven by a ratchet wheel I32 (Figure 1) through suitable gearing (not shown) As in the patent referred to hereinabove, at certain times during the operation of the machine, a pawl I34 is moved upwardly so that it engages and turns ratchet wheel I32 as the pad assembly I0 reciprocates. At this time ratchet wheel I32 drives the feeding gears to feed grease cloth 24 across the face of grease pad I8.

Contact member support 34 (Figure 2) has its upper end connected to a pair of brackets I36 and I38 extending outwardly from frame I2 by bolts I40. Contact members 30 and 32 are mounted on the lower ends of support 34 and include portions 30a and 32a extending longitudinally of the sides of support 34. The two conductors 26 and 28, which supply current to heating elements 20 and 22 (Figure 3), are mounted on frame I2 by a series of clamps, and the lower ends of these conductors are connected to contact members 30 and 32 by screws I42 and I44.

Brush holders 40 and 42 (Figure 5) may be of any desired construction and are mounted upon sleeve 82. The carbon brushes 36 and 38 are resiliently pressed into contact with contact members 30 and 32 by springs I48 and I48. The brushes are mounted within metal sleeves I50 and I52 to which conductors 44 and 46 (Figure 2) are soldered. A housing I54 (Figures 2, 3 and 5) is provided to protect the brushes and the electrical connections associated therewith. Thus, when the pad assembly I0 is in operation, support 34 reciprocates vertically with respect to the axes of brushes 38 and 36, which at all times remain in contact with contact members 30 and 32. Because of the connection between pad assembly I0 and sleeve 82, as described hereinabove, when pad assembly I0 turns on rod I4 (Figure 4), support 34 is always maintained in the same relationship with respect to brush holders 40 and 42 (Figure 2).

Before the machine shown in Figure 1 is placed in operation, the circuit to heating elements 20 and 22 is completed. These elements heat pad I8 (Figure 4) and thus the portion of grease cloth 24 in contact with its surface. When the machine is placed in operation, the grease on cloth 24 is evenly applied to the hat 58 (Figure 1), and the heat given off by heating elements 20 and 22 is suflicient to cause the grease to adequately penetrate. During each cycle of operation, the cloth is fed a predetermined distance across the face of pad I8 (Figure 4) by mechanism described hereinabove. Thus, an eflicient and practical heated grease pad has been described which evenly applies the grease to the crown of a hat in a manner which insures adequate penetration of the body of the hat by the grease. It will thus be seen that the several objects mentioned hereinabove, as well as many others, have been successfully accomplished.

As many possible embodiments may be made of the mechanical features of the above invention, and as the art herein described might be varied in various parts, all without departing from the scope of the invention, it is to be understood that all matter hereinabove set forth or shown in the accompanying drawings is to be interpreted as illustrative and not in a limitingporting column, and a pair of contact members mounted on said pad connected byconductors to said heating element, said pair of pad contact members being in engagement with said pair of I column contact members, each pair of contact members engaging the other pair of contact members with a sliding contact as said pad moves with respect to said column.

2. In a, heated grease pad for use on a machine in which the grease pad is moved with respect to the body of a hat during the greasing operation,

in combination, a grease pad, a supporting column, means mounting said grease pad on said supporting column for movement with respect thereto, means for moving said grease pad with respect to said supporting column, means for moving said column to traverse said grease pad over the surface of a rotating hat crown during a greasing operation, a, heating element on said pad, contact members on said pair of pad contact members being in engagement with said pair of column contact members, said pad connected by conductors to said heating element, and a pair of contact members on said supporting column, said pad contact members moving longitudinally between said column contact members during operation of the machine.

3. In a heated grease pad for use on a machine in which the grease pad is moved with respect to the body of a hat during the greasing operation, in combination, a supporting column, a

grease pad mounted on said column for longituing longitudinally thereof, and a pair of contact members on said column connected to a source of current, said pair of pad contact members being in engagement with said pair of column contact members, said column contact members engaging said pad contact members and remaining in engagement with them as said pad contact members move with respect to said column contact members.

4. In a heated grease pad for use on a machine in which the grease pad is moved with respect to the body of a hat during the greasing operation, in combination, a supportingcolumn, a grease pad mounted on said column for movement with respect thereto, means for moving said pad with respect to said column during a greasing operation, a heating element on said pad, a pair of rigid contact members on said pad connected to 'said heating element, a pair of brushes on said bers, means connecting said'pair of brushes to a source of current, said pair of brushes being in engagement with said pair of contact members,

said pair of brushes remaining in contact with said contact members as said pad reciprocates with respect to said column.

5. In a heated grease pad for use on a machine in which the grease pad is reciprocated with respect to the body of a hat during the greasing operation, in combination, a, supporting column, a heated grease pad mounted 'on said column, means for reciprocating said heated grease pad longitudinally with respect to said column, means mounting said pad for rotation-with respect to the longitudinal axis of said column, a'heating' element mounted on said pad, a pair of contact members mounted on said pad, means electrically connecting said contact members to said heating element, a sleeve rotatably mounted on said column, a pair of contact members mounted on said sleeve, said pair of pad contact members be ing in engagement with said pair of contact members on said sleeve means connecting said sleeve contact members to a source of current, and means connecting said pad and said sleeve to cause said sleeve to turn as said pad turns, each pair of contact members engaging the other pair of contact members with a sliding contact and. maintaining contact as said pad reciprocates.

6. In a heated grease pad for use on a machine in which the grease pad is reciprocated with respect to the body of a hat during the greasing operation, in combination, a supporting column,

a grease pad mounted on said column, means for reciprocating said pad with respect to said column, a heating element mounted on said pad,

a pair of contact members mounted on said pad electrically connected to said heating element, a pair of contact members mounted on said column, the contact members on said pad reciprO- spect to the body of a hat during the greasing,

operation, in combination, a supporting column, a pad mounted on said column for longitudinal movement with respect thereto, means for driving said pad with a reciprocating action with respect to said column during a greasing operation, a heating element on said pad, a pair of contact members on said pad connected to said heating element and extending longitudinally thereof, a pair of contact members on said column connected to a source of current, said column contact members being in engagement with said pad contact members and remaining in engagement with them as said pad contact members reciprocate longitudinally with respect to said column contact members, a grease cloth, and means for feeding said grease cloth across the face of said heated pad.

FREDERICK J. BERGER.

REFERENCES CITED Number N ame Date wen July 14, 1942, 

